WebAug 8, 2024 · Aug 8, 2024 • #entity-framework #sql-server Full-Text Search is a feature of Microsoft SQL Server that lets you perform search engine like queries against the string properties of your entities. The Full-Text feature isn’t available on the LocalDB (the version of SQL Server that comes with Visual Studio). The main deciding factor in whether a query runs fast or not is whether it will properly utilize indexes where appropriate: databases are typically used to hold large amounts of data, and queries which traverse entire tables are typically sources of serious performance issues. Indexing issues aren't easy … See more EF Core makes it very easy to query out entity instances, and then use those instances in code. However, querying entity instances can frequently pull back more data than necessary from your database. Consider … See more In relational databases, all related entities are loaded by introducing JOINs in single query. If a typical blog has multiple related posts, rows for these posts will duplicate the blog's information. This duplication leads to the so-called … See more By default, a query returns all rows that matches its filters: Since the number of rows returned depends on actual data in your database, it's … See more Pagination refers to retrieving results in pages, rather than all at once; this is typically done for large resultsets, where a user interface is shown that allows the user to navigate to the next or previous page of the results. A … See more
How to perform a search in Entity Framework 6? - Stack …
WebEF Core 6.0 has shipped to NuGet. This page contains an overview of interesting changes introduced in this release. Tip You can run and debug into the samples shown below by downloading the sample code from GitHub. SQL Server … WebJun 5, 2024 · public IEnumerable Get (Expression> filter) where TEntity: RecursiveEntity { foreach (TEntity entity in Set ().Where (e => e.Parent == null).Where (filter)) { GetChildren (entity, filter); yield return entity; } } private void GetChildren (TEnity parent, Expression> childFilter) where TEnity : RecursiveEntity { Entry (parent).Collection (e => … reims nancy distance
Entity Framework Core Tutorials
WebJan 19, 2024 · Tip Entity Framework Core will automatically fix-up navigation properties to any other entities that were previously loaded into the context instance. So even if you don't explicitly include the data for a navigation property, the property may still be populated if some or all of the related entities were previously loaded. WebNov 30, 2024 · In general, the LINQ Select operator in Entity Framework Core (EF Core) can produce database queries that are often perform better than any other approach. This is because the Select method allows you to pick exactly the properties you want, including looking into related classes. WebMay 25, 2024 · Next steps. Entity Framework (EF) Core is a lightweight, extensible, open source and cross-platform version of the popular Entity Framework data access … reims mercure cathedrale